Jacob van Heemskerck in her original condition (collection J. Klootwijk)

Construction details

Name

Jacob van Heemskerck

Dockyard

Rijkswerf, Amsterdam

Laid down

August 15 1905

Launched

September 22 1906

Commissioned

April 22 1908

Pennants

HW-3A-881

Status

Commissioned as the stationary battery "Batterijschip IJmuiden" on April 19 1939 and stationed in IJmuiden. Scuttled by own crew May 14 1940 to avoid capture. Wreck was raised on July 16 1940 and towed to Amsterdam on July 24. Towed to Kiel in March 1941 and rebuilt at the Howaldtswerke to the floating anti-aircraft battery "Undine. Recovered in Wilhelmshafen. Rebuilt as accommodation ship at the Rijkswerf Amsterdam and commissioned as such on February 23 1948 as Hr. Ms. Neptunus. Decommissioned on September 13 1974 and stricken October 4 1974.